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MICROWAVE OVEN

SERVICE

Manual

MICROWAVE OVEN

CONTENTS

1. Precaution

2. Specifications

3. Operating Instructions

4. Disassembly and Reassembly

5. Alignment and Adjustments

6. Troubleshooting

7. Exploded Views and Parts List

8. PCB Diagrams

9. Schematic Diagrams

CE1160R-U

BWT

Summary of Contents for CE1160R-U

Page 1: ...ICROWAVE OVEN CONTENTS 1 Precaution 2 Specifications 3 Operating Instructions 4 Disassembly and Reassembly 5 Alignment and Adjustments 6 Troubleshooting 7 Exploded Views and Parts List 8 PCB Diagrams 9 Schematic Diagrams CE1160R U BWT ...

Page 2: ...ual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd May 2004 Printed in Korea Code No DE68 03257A ...

Page 3: ...ction within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the...

Page 4: ...es while repairing an MWO 11 To avoid any possible radiation hazard replace parts in accordance with the wiring diagram Also use only the exact replacements for the following parts Primary and secondary interlock switches interlock monitor switch 12 If the fuse is blown by the Interlock Monitor Switch Replace all of the following at the same time Pri mary door sensing switch and power relay as wel...

Page 5: ...onds after disconnection Short the nega tive terminal of the high voltage capacitor to to the oven chassis Use a screwdriver 3 High voltage is maintained within specified limits by close tolerance safety related components and adjustments If the high voltage exceeds the specified limits check each of the special compo nents H V Diode Short H V Capacitor Fig 1 1 Discharging High Voltage Capacitor Tou...

Page 6: ...TRON COOLING METHOD OUTSIDE DIMENSIONS mm SHIPPING WEIGHT NET WEIGHT 99 MINUTES 230V 50Hz AC MICROWAVE 1 400W GRILL 1 300W CONVECTION 1 700W FROM 100 TO 900W 6 LEVEL POWER IEC 705 TEST PROCEDURE 2 450MHz OM75PH 31 COOLING FAN MOTOR 522 W x 312 H x 539 D 23 5 kg 21 5 kg 2 1 Table of Specifications ...

Page 7: ...ng Instructions Door Ventilation Holes Light Safety Interlock Holes Guide Roller Coupler Grill Rack Glass Plate Door Latches Control Panel 3 1 Control Panel 3 2 Features External Views 522mm 355mm 312mm 234mm 539mm ...

Page 8: ... or it may be damaged NOTE2 When replacing the magnetron be sure to remount the magnetron gasket inthe correct position and make sure the gasket is in good 1 Discharge the high voltage capacitor 2 Disconnect all the leads 3 Remove the mounting bolts 4 Reconnect the leads correctly and firmly PRECAUTION Servicemen should remove their watches whenever working close to or replacing the magnetron PRECA...

Page 9: ... Door E and Door C to remove Door C Be careful when handling Door C because it is fragile 4 3 3 Removal of Door E Following the procedure as shown in the figure insert and bend a thin metal plate between Door E and Door A until you hear the tick sound 1 Insertion depth of the thin metal plate should be 0 5mm or less 4 3 4 Removal of Key Door Spring Remove pin hinge from Door E Detach spring from Do...

Page 10: ...shaft of motor should fit tip coupler 6 Screw the motor to bottom of oven cavity 7 Connect leads to the drive motor 8 Screw the drive motor cover to the base plate with a screw driver NOTE Bring the spare screw from service center COVER FIXING SCREW MACHINE SCREW 6006 0011110 1 When mounting the door to the oven be sure to adjust the door parallel to the bottom line of the oven face plate by moving...

Page 11: ...Disconnect the connectors from the control circuit board 3 Remove screws securing the control box assembly 4 Remove the screw securing the ground tail of the keyboard 4 6 2 Removal of Ass y P C B Assembly 1 Remove screws securing the control circuit board 2 Lift up the control circuit board from the Ass y control box Screw Control Box Assy Key Module Screws P C B ASSY PCB SCREWS ...

Page 12: ...ltage capacitor 1 Continuity checks can indicate only an open filament or a shorted magnetron To diagnose an open filament or shorted magnetron 2 Isolate the magnetron from the circuit by discon necting its leads 3 A continuity check across the magnetron filament terminals should indicate one ohm or less 4 A continuity check between each filament terminal and magnetron case should read open 1 The low ...

Page 13: ...unting the Latch Body to the oven assem bly adjust the Latch Body by moving it so that the oven door will not have any play in it Check for play in the door by pulling the door assembly Make sure that the latch keys move smoothly after adjustment is completed Completely tighten the screws holding the Latch Body to the oven assembly 4 Reconnect to Monitor switch and check the continu ity of the mon...

Page 14: ...ed stir the water again with the thermometer and measure the temperature T2 5 Subtract T1 from T2 This will give you the water temperature rise T 6 The output power is obtained by the following formula Output Power 4 187 x 1000 x T 0 88 x Mc x T2 T1 49 Heating Time sec 4 187 Coefficient for Water 1000 Water cc T Temperature Rise T1 T2 Mc Cylindrical borosilicate glass weight To Room Temperature 46 ...

Page 15: ... a corner of the door keep the probe perpendicular to the areas making sure that the probe end at the base of the cone does not get closer than 5cm to any metal If it gets closer than 5cm erroneous readings may result 5 Measured leakage must be less than 4mW cm2 after repair or adjustment Maximum allowable leakage is 5mW cm2 4mW cm2 is used to allow for measurement and meter accuracy 1 Do not exce...

Page 16: ...mer NOTE2 Check adjustment of primary interlock monitor power relay door sensing switch NOTE 1 All of these switches must be replaced at the same time refer to ad justment instructions Check continuity of power relay contacts and if it has continuity replace power relay also NOTE 2 When H V Transformer is replaced check diode and magnetron also Oven does not accept key input Program 1 Key input is...

Page 17: ... main Loud buzzing noise can be heard 1 Loose fan and fan motor 2 Loose screws on H V Transformer 3 Shorted H V Diode Tighten screws of fan motor Tighten screws of H V Transformer Replace H V Diode Turntable motor does not rotate 1 Open or loose wiring of turntable motor 2 Defective turntable motor Replace turntable motor Oven stops operation during cook ing 1 Open or loose wiring of primary inter...

Page 18: ...W006 X004 X022 X021 X038 X024 M035 M037 M005 M041 M042 M044 MM105 MM103 MM104 M046 M047 M040 M039 M038 M049 T001 W024 P024 P129 T017 M051 M053 M048 M054 T010 T009 M113 M095 H008 M008 M010 M011 M013 M015 W002 M036 M029 P186 M012 M017 B006 B001 B002 B010 B018 B011 M023 M058 M034 ...

Page 19: ... 15A 1 M020 DE31 00001H ASSY MOTOR FAN SMF 2D3EA 230V50HZ 2320RP 1 M029 DE47 20009A THERMOSTAT PW2N 520PB 160 60 250V 7 5A H 1 M034 DE67 00187A COUPLER CE1100 PPS ESS840 1 M035 OM75P 31 MTSN ASSY MAGNETRON OM75P 31 MTSN 1 M036 4713 001046 LAMP INCANDESCENT 240V 104mA 25W ORG 1 M037 DE63 00248A COVER AIR 5TH 1 0 CONVECTION NYLON 66 T 1 M038 DE26 00080C TRANS H V SHV EURO2 AC 5 230V 50Hz 2330V 1 M03...

Page 20: ... JES1044 PPS 14 7DI 1 W002 DE96 00292A ASSY WIRE HARNESS A CE1115 XEF CONVECTIO 1 W003 DE96 00296A ASSY WIRE HARNESS B CE1100 XEF CONVECTIO 1 W006 DE39 40409A WIRE HARNESS E 230V50HZ M9G45 CTW 1 W024 DE96 00315A ASSY WIRE HARNESS S CE1150 XEF CONVECTIO 1 X021 DE70 00384A PLATE STEAM C115 STS304 T0 5 1 X022 DE75 00034A BOWL STEAM C115 HEAT RESISTING PP 1 X024 DE63 00189A COVER STEAM BOWL C115 STS30...

Page 21: ...LK 1 1 AQUA C 1 D007 DE61 00193A SPRING KEY MW1255 HSWR PI0 6 D5 5 L19 1 D009 DE61 00246A HINGE DOOR U MW8103SS SCP1 T2 0 1 D010 DE61 00247A HINGE DOOR L MW8103SS SCP1 T2 0 1 D011 DE64 00690A KEY DOOR TBMO EURO NYLON 66 BLK SI 1 D019 DE64 01067B HANDLE DOOR 1 1 AQUA CONV PC LEXAN 141 1 D024 DE64 00984A SCREEN DOOR B C100 C115 TEMP GLASS T3 2 1 D026 DE63 00235A COVER HANDLE 1 1 AQUA CONV PC LEXAN 1...

Page 22: ...1160R SL BWT 230V50HZ 1 C004 DE34 00184D SWITCH MEMBRANE CE1160R BWT GRAPHIC 1 C005 DE64 00792A CONTROL PANEL MEMBRANE CE1110 XEN PC LE 1 C009 DE64 00794A WINDOW DISPLAY MEMBRANE C110 SAN CR5381 1 C082 DE94 00916H ASSY CONTROL BOX CE1160R BWT WHT RUSSI 1 S N A C108 DE01 00144A FILM WINDOW CE1160 PET T0 2 TRANSP 1 S N A SERVICE NOT AVAILABLE ...

Page 23: ...TION SHC 118E1 1680W 1 H004 DE61 50484A BRACKET HEATER STS430 T0 8 W27 2 L26 C 2 H005 DE97 00393A ASSY COVER CASING C110 1 1CU FT AQUA CON 1 H007 DE72 30016A BUSH MOTOR MSWR3 L11 2 D5 6 RE 1300 1 H008 DE60 40026B WASHER PLAIN ID5 5 OD12 T1 0 SBC1 ZNC3 1 H010 DE60 30016A NUT FLANGE M4 MSWR10 1 SENSOR H011 DE60 40014B WASHER C MOTOR M16 T1 0 SECC ZNC3 1 H012 DE61 50490A BRACKET TCO SECC1 T0 6 34 58 ...

Page 24: ...TH M4 L12 2 B LATCH DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 1 B UPPER DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 1 C AIR DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 2 C BOX DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 2 M FAN DE60 10122A SCREW TAP TH FE FN TAP TH 2 4X8 3 B HEATER DE60 10122A SCREW TAP TH FE FN TAP TH 2 4X8 2 C CEILING DE60 10122A SCREW TAP TH FE FN TAP TH 2 4X8...

Page 25: ... 001288 DIODE ZENER ZMM55C5V1 4 8 5 4V 500MW LL 34 TP 2 ZD3 ZD4 1201 000167 IC OP AMP KA358 SOP TP 8P 150MIL DUAL 100V MV 1 IC5 1203 001037 IC POSI FIXED REG 78L05 SOT 89 3P 185MIL PLASTIC 1 IC4 1203 002835 IC POSI FIXED REG KIA7805AF DPAK 3P 6 6X6 1MM PLASTIC 4 8V 1 IC6 1203 002836 IC POSI FIXED REG KIA7824AF DPAK 3P 6 6X6 1MM PLASTIC 23 25V 1 IC7 1203 002876 IC VOL DETECTOR ELM7533CBA S SOT 23 3...

Page 26: ... 22 8 P C B Diagrams 8 1 P C B Diagrams This Document can not be used without Samsung s authorization RC CE1150 02 ...

Page 27: ...grams This Document can not be used without Samsung s authorization MAGNETRON FA F RED RED RED RED SYMBOL COLOR BRN BROWN BLK BLACK RED RED BLU BLUE WHT BLK HIGH VOLTAGE TRANSFORMER HIGH VOLTAGE CAPACITOR HIGH VOLTAGE DIODE TO CHASSIS H V FUSE ...

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